Granted Patent
Utility
US 4,307,799 · App. 06/100,281
Linear actuator
Inventor:
John Zouzoulas
Patented Case
View Patent ↗
Granted: Dec 29, 1981
Filed: Dec 5, 1979
Inventor
John Zouzoulas
Assignee (at issue)
Andco Actuator Products, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.